
Ko A-sung
Acting
Born 1992-08-10 · Seoul, South Korea
Ko A-sung (born 10 August 1992) is a South Korean actress. She began her career as a child actress, notably in 2006 top-grossing blockbuster The Host. This was followed by major roles in Snowpiercer (2013), Thread of Lies (2014) and Office (2015), as well as the TV dramas Master of Study (2010) and Heard It Through the Grapevine (2015).
Known for

7.8
Heard It Through the Grapevine
2015 · TV

8.3
Life on Mars
2018 · TV

7.5
Master of Study
2010 · TV

6.5
Tracer
2022 · TV

6.6
Radiant Office
2017 · TV

4.7
Crime Puzzle
2021 · TV

8.0
Edward Lee's Country Cook
2025 · TV

7.7
Doona!
2023 · TV

K-Ocean Pathfinders
2020 · TV

7.0
SNL Korea
2021 · TV

7.9
Midnight Diner: Tokyo Stories
2016 · TV

Next Entertainment, Visionary
2021 · TV

I Am Also a Film Director
— · TV

인생이 영화
2025 · TV

8.2
Running Man
2010 · TV

7.6
Amazing Saturday
2018 · TV

6.3
You Hee-yeol's Sketchbook
2009 · TV

7.5
The Seasons
2023 · TV

7.0
Show!terview with Jessi
2020 · TV

Baeksang Arts Awards
2012 · TV